diff --git a/engine/src/core-data/Common/ShaderLib/Shadows.glsllib b/engine/src/core-data/Common/ShaderLib/Shadows.glsllib
index 0a0d8ee42..d2f1a942b 100644
--- a/engine/src/core-data/Common/ShaderLib/Shadows.glsllib
+++ b/engine/src/core-data/Common/ShaderLib/Shadows.glsllib
@@ -24,7 +24,7 @@
     #define KERNEL 4.0
 #elif FILTER_MODE == 4
     #define GETSHADOW Shadow_DoPCFPoisson
-    #define KERNEL 4
+    #define KERNEL 4.0
 #elif FILTER_MODE == 5
     #define GETSHADOW Shadow_DoPCF
     #define KERNEL 8.0
diff --git a/engine/src/core-data/Common/ShaderLib/Shadows15.glsllib b/engine/src/core-data/Common/ShaderLib/Shadows15.glsllib
index baaf20441..038403802 100644
--- a/engine/src/core-data/Common/ShaderLib/Shadows15.glsllib
+++ b/engine/src/core-data/Common/ShaderLib/Shadows15.glsllib
@@ -17,26 +17,26 @@
 
 #if FILTER_MODE == 0
     #define GETSHADOW Shadow_Nearest
-    #define KERNEL 1
+    #define KERNEL 1.0
 #elif FILTER_MODE == 1
     #ifdef HARDWARE_SHADOWS
         #define GETSHADOW Shadow_Nearest
     #else
         #define GETSHADOW Shadow_DoBilinear_2x2
     #endif
-    #define KERNEL 1
+    #define KERNEL 1.0
 #elif FILTER_MODE == 2
     #define GETSHADOW Shadow_DoDither_2x2
-    #define KERNEL 1
+    #define KERNEL 1.0
 #elif FILTER_MODE == 3
     #define GETSHADOW Shadow_DoPCF
-    #define KERNEL 4
+    #define KERNEL 4.0
 #elif FILTER_MODE == 4
     #define GETSHADOW Shadow_DoPCFPoisson
-    #define KERNEL 4
+    #define KERNEL 4.0
 #elif FILTER_MODE == 5
     #define GETSHADOW Shadow_DoPCF
-    #define KERNEL 8
+    #define KERNEL 8.0
 #endif